Electrical transmission or interconnection systems – Nonlinear reactor systems – Parametrons
Patent
1987-03-16
1989-08-15
Heyman, John S.
Electrical transmission or interconnection systems
Nonlinear reactor systems
Parametrons
307262, 307512, 328 55, 328155, G01R 2504
Patent
active
048577774
ABSTRACT:
A phase shifting network with multiple outputs between which a constant phase difference is maintained over a large frequency range. The configuration consists of a four branch all pass network which in turn consists of four similar all pass networks one in each branch. An in phase and an out of phase input signal are applied to this network and four signals in phase quadrature, 0.degree., 90.degree., 180.degree., and 270.degree. may be obtained from the network. The network is designed for operation at frequencies of micro and millimeter wavelengths and may be realized from resistive and capacitive elements fabricated upon a common monolithic substrate. A suitable substrate is gallium arsenide, permitting both passive and active elements to be formed and interconnected by lithographic techniques.
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Wideband Phase Shift Networks--R. B. Dome/Electronics, Dec. 1946, pp. 112-115.
Properties of Some Wide-Band Phase Splitting Networks--D. G. C. Luck/Proceedings of the I.R.E., Feb. 1949, pp. 147-151.
Design of RC Wide-Band 90-Degree Phase Difference Network-D. K. Weaver, Jr. Proceedings of the I.R.E., Apr. 1954, pp. 671-676.
Normalized Design of 90.degree. Phase-Difference Networks--S. D. Bedrosian/IRE Transactions on Circuit Theory, Jun. 1960, pp. 128-136.
Monolithic RC All-Pass Networks with Constant-Phase-Difference Outputs--Altes, Chen & Ragonese/IEEE Transactions on Electron Devices, Dec. 1986, pp. 2064-2068.
"GaAs Phase-Coherent Microwave Multiple-Signal Generation Using All-Pass Networks" Altes et al.--1986 Microwave Millimeter-Wave Monolithic Circuit Symposium--pp. 71-74.
Baker Carl W.
Callahan Timothy P.
General Electric Company
Heyman John S.
Jacob Fred
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